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Finding the Fourth Proportional to 361,379.12, 542,565.21 and 184,005.32

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Solution

The fourth proportional to 361,379.12, 542,565.21 and 184,005.32 is: 276,260.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,379.12 : 542,565.21 = 184,005.32 : x
  2. Step 2: Convert to fraction form
    361,379.12/542,565.21 = 184,005.32/x
  3. Step 3: Cross multiply
    361,379.12x = 542,565.21 × 184,005.32
  4. Step 4: Simplify right side
    361,379.12x = 99,834,885,086.92
  5. Step 5: Solve for x
    x = 99,834,885,086.92/361,379.12
  6. Step 6: Final answer
    x = 276,260.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.